And here we have yet another Apple tablet rumor to be bandied about all the livelong day. According to Gizmodo, “a source that has always been 100% reliable” says that Apple may be working on 13- and 15-inch tablets (aside from just the rumored 10-inch one) and that one of those tablets was seen running a full-fledged version of OS X 10.5.

Here’s more:

This source claims that the two touchscreen prototypes—made of aluminum, but on the shape of big iPhones—were in a factory in Shenzuen, China. One of them “was running Mac OS X 10.5.” When I asked, the source didn’t ...

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